Noise-immune Capacitive Proximity Sensor System Reference Design

(ACTIVE) TIDA-00466

Description & Features

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Description

The FDC2214 proximity and capacitive sensing design demonstrates the use of TI's capacitive sensing technology to sense and detect the presence of various objects. The design is a complete hardware and firmware solution. The firmware  processes the data from one proximity sensor and two capacitive touch buttons via the FDC2214 to determine whether an object is in the intended sensing area. Dedicated colored LEDs light up once the device detects a target in close proximity to the board or detects a press on the buttons. The design is powered by one AA-battery.

Features
  • Optimized to achieve maximum sensing distance and  responsive button presses
  • Standalone system powered via one AA-battery
  • Firmware includes derivative integration algorithm to process raw data
  • Demonstrates proximity and capacitive touch button applications
  • Integrates FDC2214, MSP430FR5969, and TPS61029

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Schematic/Block Diagram

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Design Files

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Part Number Buy from Texas Instruments or Third Party Buy from Authorized Distributor Status

FDC2214PROXSEN-EVM :
FDC2214PROXSEN-EVM - Proximity and Capacitive Touch Sensing Evaluation Module

$75.00(USD)


Pricing may vary.



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TI Devices (5)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD25310Q2  20-V P-Channel NexFET Power MOSFET, CSD25310Q2  MOSFETs  Sample & Buy Not Available
FDC2212  Noise-immune Capacitive Sensing Solution for Proximity Sensing   Specialty sensors  Sample & Buy View Design Kits & Evaluation Modules
FDC2214  Noise-immune Capacitive Sensing Solution for Proximity Sensing   Specialty sensors  Sample & Buy View Design Kits & Evaluation Modules
MSP430FR5969  MSP430FR5969 16 MHz Ultra-Low-Power Microcontroller featuring 64 KB FRAM, 2 KB SRAM, 40 IO  MSP430 ultra-low-power MCUs  Sample & Buy View Design Kits & Evaluation Modules
TPS61029  Adjustable, 1.8-A Switch, 96% Efficient Boost Converter with Down-Mode, QFN-10  Step-up (boost)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD25310Q2 WSON (DQK)| 6 Download
FDC2212 Download Download
FDC2214 Download Download
MSP430FR5969 Download Download
TPS61029 Download Download

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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

Design files (6)
Title Abstract Type Size (KB) Date
ZIP 404 13 Oct 2015
ZIP 960 13 Oct 2015
PDF 843 13 Oct 2015
PDF 204 13 Oct 2015
PDF 280 13 Oct 2015
PDF 64 13 Oct 2015
Related Tools & Software

Reference Designs  ( 2 )

Software (1)



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